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Devices and methods for intra-operative spinal alignment

a spinal alignment and intra-operative technology, applied in the field of intra-operative spinal alignment, can solve the problems of often disrupted normal spinal alignmen

Inactive Publication Date: 2018-07-26
ORTHALIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is a system for helping to locate and insert screws into the spinal column during surgery. It includes a navigator, two reference devices, and a surgical orientation device. This invention can help ensure that the screws are inserted in the correct position, which can improve the overall success of the surgery and reduce the risk of complications.

Problems solved by technology

Normal spinal alignment is often disrupted as a result of trauma or disease.
Verification of alignment is typically not performed until post-operative radiographs are available so alignment mistakes may not be discovered until after the operation.

Method used

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  • Devices and methods for intra-operative spinal alignment
  • Devices and methods for intra-operative spinal alignment
  • Devices and methods for intra-operative spinal alignment

Examples

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Embodiment Construction

[0028]The present invention provides devices and methods to assist in alignment of the spine during a surgical procedure to correct a deformity due to trauma or degeneration. Standard medical practice is to fuse one or more levels of the spine by immobilization. This immobilization is accomplished by implanting plates, rods, or other devices that are rigidly fixed to two or more vertebrae.

[0029]With reference to FIG. 1, standard practice is to fuse one or more levels 28&30 of the spine 10 by immobilization. This immobilization is accomplished by implanting plates, rods, or other devices that are rigidly fixed to two or more vertebrae 20. This procedure is most often performed in the thoracic 14 or lumbar 16 regions of the spine 10. The intervertebral disc(s) 21 within the fusion region 28 are removed to allow direct apposition of adjacent vertebral bodies 42, promoting bony growth. The spinous process 36, pedicles 44, and articular processes 38&40 are routinely used as fixation poin...

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PUM

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Abstract

The present invention provides a spinal alignment system comprising at least one vertebral coupler, at least one reference device and a surgical orientation device. The present invention further provides methods using the spinal alignment system to assist in alignment of the spine during a surgical procedure to correct a deformity due to trauma or degeneration. The present invention also provides a pedicle screw navigation system comprising of a pedicle screw navigator, a first reference device, a second reference device and a surgical orientation device. The present invention provides methods using the pedicle screw navigation system to assist in determining the proper orientation of a pedicle screw during spinal surgery.

Description

INCORPORATION BY REFERENCE TO ANY PRIORITY APPLICATIONS[0001]Any and all applications for which a foreign or domestic priority claim is identified in the Application Data Sheet as filed with the present application are hereby incorporated by reference under 37 CFR 1.57.BACKGROUND OF THE INVENTIONField of the Invention[0002]The present application includes inventions that provide devices and / or methods for intraoperatively measuring intervertebral alignment and determining the proper orientation for an implant such as a pedicle screw.Description of the Related Art[0003]The human spinal column is a chain of discrete bones allowing substantial flexibility and motion, while protecting nervous and vascular structures running within and around the spinal column. This column extends from the cervical (neck) region, through the thoracic and lumbar regions, to the sacrum at the base of the spine.[0004]Motion between adjacent bones (vertebrae) is accommodated by two articulating cartilage-on-...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A61B17/17A61B34/20A61B17/70A61B17/88A61B34/00A61B90/00
CPCA61B34/20A61B2090/372A61B34/25A61B2090/067A61B17/1757A61B2034/2048A61B17/7077A61B17/7082A61B17/8866A61B2090/363
Inventor VAN DER WALT, NICHOLASNIELSEN, JONATHAN
Owner ORTHALIGN
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